3 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Mitchell | 1 | 15,594 | 15,675 | -0.08% | 1,353 | 12 | City |
| Mount Vernon | 2 | 457 | 457 | 0% | 1,344 | 0 | City |
| Ethan | 3 | 358 | 358 | 0% | 1,404 | 0 | Town |
Mitchell is the largest city in Davison County, with a population of 15,594.
Ethan is the smallest city in Davison County, with a population of 358.
There are 3 cities in Davison County, South Dakota.